<?php

	/*~ class.smtp.php
	 .---------------------------------------------------------------------------.
	 |  Software: PHPMailer - PHP email class                                    |
	 |   Version: 5.1                                                            |
	 |   Contact: via sourceforge.net support pages (also www.codeworxtech.com)  |
	 |      Info: http://phpmailer.sourceforge.net                               |
	 |   Support: http://sourceforge.net/projects/phpmailer/                     |
	 | ------------------------------------------------------------------------- |
	 |     Admin: Andy Prevost (project admininistrator)                         |
	 |   Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
	 |          : Marcus Bointon (coolbru) coolbru@users.sourceforge.net         |
	 |   Founder: Brent R. Matzelle (original founder)                           |
	 | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved.               |
	 | Copyright (c) 2001-2003, Brent R. Matzelle                                |
	 | ------------------------------------------------------------------------- |
	 |   License: Distributed under the Lesser General Public License (LGPL)     |
	 |            http://www.gnu.org/copyleft/lesser.html                        |
	 | This program is distributed in the hope that it will be useful - WITHOUT  |
	 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
	 | FITNESS FOR A PARTICULAR PURPOSE.                                         |
	 | ------------------------------------------------------------------------- |
	 | We offer a number of paid services (www.codeworxtech.com):                |
	 | - Web Hosting on highly optimized fast and secure servers                 |
	 | - Technology Consulting                                                   |
	 | - Oursourcing (highly qualified programmers and graphic designers)        |
	 '---------------------------------------------------------------------------'
	 */
	
	/**
	 * PHPMailer - PHP SMTP email transport class
	 * NOTE: Designed for use with PHP version 5 and up
	 * @package PHPMailer
	 * @author Andy Prevost
	 * @author Marcus Bointon
	 * @copyright 2004 - 2008 Andy Prevost
	 * @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
	 * @version $Id: class.smtp.php 444 2009-05-05 11:22:26Z coolbru $
	 */
	
	/**
	 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
	 * commands except TURN which will always return a not implemented
	 * error. SMTP also provides some utility methods for sending mail
	 * to an SMTP server.
	 * original author: Chris Ryan
	 */
	
	class PhpMailer_SMTP {
		/**
		 *  SMTP server port
		 *  @var int
		 */
		public $SMTP_PORT = 25;
	
		/**
		 *  SMTP reply line ending
		 *  @var string
		 */
		public $CRLF = "\r\n";
	
		/**
		 *  Sets whether debugging is turned on
		 *  @var bool
		 */
		public $do_debug;       // the level of debug to perform
	
		/**
		 *  Sets VERP use on/off (default is off)
		 *  @var bool
		 */
		public $do_verp = false;
	
		/////////////////////////////////////////////////
		// PROPERTIES, PRIVATE AND PROTECTED
		/////////////////////////////////////////////////
	
		private $smtp_conn; // the socket to the server
		private $error;     // error if any on the last call
		private $helo_rply; // the reply the server sent to us for HELO
	
		/**
		 * Initialize the class so that the data is in a known state.
		 * @access public
		 * @return void
		 */
		public function __construct() {
			$this->smtp_conn = 0;
			$this->error = null;
			$this->helo_rply = null;
	
			$this->do_debug = 0;
		}
	
		/////////////////////////////////////////////////
		// CONNECTION FUNCTIONS
		/////////////////////////////////////////////////
	
		/**
		 * Connect to the server specified on the port specified.
		 * If the port is not specified use the default SMTP_PORT.
		 * If tval is specified then a connection will try and be
		 * established with the server for that number of seconds.
		 * If tval is not specified the default is 30 seconds to
		 * try on the connection.
		 *
		 * SMTP CODE SUCCESS: 220
		 * SMTP CODE FAILURE: 421
		 * @access public
		 * @return bool
		 */
		public function Connect($host, $port = 0, $tval = 30) {
			// set the error val to null so there is no confusion
			$this->error = null;
	
			// make sure we are __not__ connected
			if($this->connected()) {
				// already connected, generate error
				$this->error = array("error" => "Already connected to a server");
				return false;
			}
	
			if(empty($port)) {
				$port = $this->SMTP_PORT;
			}
	
			// connect to the smtp server
			$this->smtp_conn = @fsockopen($host,    // the host of the server
											$port,    // the port to use
											$errno,   // error number if any
											$errstr,  // error message if any
											$tval);   // give up after ? secs
			// verify we connected properly

			if(empty($this->smtp_conn)) {
				$this->error = array("error" => "Failed to connect to server",
	                           "errno" => $errno,
	                           "errstr" => $errstr);
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": $errstr ($errno)" . $this->CRLF . '<br />';
				}
				return false;
			}
	
			// SMTP server can take longer to respond, give longer timeout for first read
			// Windows does not have support for this timeout function
			if(substr(PHP_OS, 0, 3) != "WIN")
			socket_set_timeout($this->smtp_conn, $tval, 0);
	
			// get any announcement
			$announce = $this->get_lines();
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $announce . $this->CRLF . '<br />';
			}
	
			return true;
		}
	
		/**
		 * Initiate a TLS communication with the server.
		 *
		 * SMTP CODE 220 Ready to start TLS
		 * SMTP CODE 501 Syntax error (no parameters allowed)
		 * SMTP CODE 454 TLS not available due to temporary reason
		 * @access public
		 * @return bool success
		 */
		public function StartTLS() {
			$this->error = null; # to avoid confusion
	
			if(!$this->connected()) {
				$this->error = array("error" => "Called StartTLS() without being connected");
				return false;
			}
	
			fputs($this->smtp_conn,"STARTTLS" . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 220) {
				$this->error =
				array("error"     => "STARTTLS not accepted from server",
	               "smtp_code" => $code,
	               "smtp_msg"  => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			// Begin encrypted connection
			if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
				return false;
			}
	
			return true;
		}
	
		/**
		 * Performs SMTP authentication.  Must be run after running the
		 * Hello() method.  Returns true if successfully authenticated.
		 * @access public
		 * @return bool
		 */
		public function Authenticate($username, $password) {
			// Start authentication
			//describe( func_get_args() );
			fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($code != 334) {
				$this->error =
				array("error" => "AUTH not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			// Send encoded username
			fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($code != 334) {
				$this->error =
				array("error" => "Username not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			// Send encoded password
			fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($code != 235) {
				$this->error =
				array("error" => "Password not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			return true;
		}
	
		/**
		 * Returns true if connected to a server otherwise false
		 * @access public
		 * @return bool
		 */
		public function Connected() {
			if(!empty($this->smtp_conn)) {
				$sock_status = socket_get_status($this->smtp_conn);
				if($sock_status["eof"]) {
					// the socket is valid but we are not connected
					if($this->do_debug >= 1) {
						echo "SMTP -> NOTICE:" . $this->CRLF . "EOF caught while checking if connected";
					}
					$this->Close();
					return false;
				}
				return true; // everything looks good
			}
			return false;
		}
	
		/**
		 * Closes the socket and cleans up the state of the class.
		 * It is not considered good to use this function without
		 * first trying to use QUIT.
		 * @access public
		 * @return void
		 */
		public function Close() {
			$this->error = null; // so there is no confusion
			$this->helo_rply = null;
			if(!empty($this->smtp_conn)) {
				// close the connection and cleanup
				fclose($this->smtp_conn);
				$this->smtp_conn = 0;
			}
		}
	
		/////////////////////////////////////////////////
		// SMTP COMMANDS
		/////////////////////////////////////////////////
	
		/**
		 * Issues a data command and sends the msg_data to the server
		 * finializing the mail transaction. $msg_data is the message
		 * that is to be send with the headers. Each header needs to be
		 * on a single line followed by a <CRLF> with the message headers
		 * and the message body being seperated by and additional <CRLF>.
		 *
		 * Implements rfc 821: DATA <CRLF>
		 *
		 * SMTP CODE INTERMEDIATE: 354
		 *     [data]
		 *     <CRLF>.<CRLF>
		 *     SMTP CODE SUCCESS: 250
		 *     SMTP CODE FAILURE: 552,554,451,452
		 * SMTP CODE FAILURE: 451,554
		 * SMTP CODE ERROR  : 500,501,503,421
		 * @access public
		 * @return bool
		 */
		public function Data($msg_data) {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	              "error" => "Called Data() without being connected");
				return false;
			}
	
			fputs($this->smtp_conn,"DATA" . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 354) {
				$this->error =
				array("error" => "DATA command not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			/* the server is ready to accept data!
			 * according to rfc 821 we should not send more than 1000
			 * including the CRLF
			 * characters on a single line so we will break the data up
			 * into lines by \r and/or \n then if needed we will break
			 * each of those into smaller lines to fit within the limit.
			 * in addition we will be looking for lines that start with
			 * a period '.' and append and additional period '.' to that
			 * line. NOTE: this does not count towards limit.
			 */
	
			// normalize the line breaks so we know the explode works
			$msg_data = str_replace("\r\n","\n",$msg_data);
			$msg_data = str_replace("\r","\n",$msg_data);
			$lines = explode("\n",$msg_data);
	
			/* we need to find a good way to determine is headers are
			 * in the msg_data or if it is a straight msg body
			 * currently I am assuming rfc 822 definitions of msg headers
			 * and if the first field of the first line (':' sperated)
			 * does not contain a space then it _should_ be a header
			 * and we can process all lines before a blank "" line as
			 * headers.
			 */
	
			$field = substr($lines[0],0,strpos($lines[0],":"));
			$in_headers = false;
			if(!empty($field) && !strstr($field," ")) {
				$in_headers = true;
			}
	
			$max_line_length = 998; // used below; set here for ease in change
	
			while(list(,$line) = @each($lines)) {
				$lines_out = null;
				if($line == "" && $in_headers) {
					$in_headers = false;
				}
				// ok we need to break this line up into several smaller lines
				while(strlen($line) > $max_line_length) {
					$pos = strrpos(substr($line,0,$max_line_length)," ");
	
					// Patch to fix DOS attack
					if(!$pos) {
						$pos = $max_line_length - 1;
						$lines_out[] = substr($line,0,$pos);
						$line = substr($line,$pos);
					} else {
						$lines_out[] = substr($line,0,$pos);
						$line = substr($line,$pos + 1);
					}
	
					/* if processing headers add a LWSP-char to the front of new line
					 * rfc 822 on long msg headers
					 */
					if($in_headers) {
						$line = "\t" . $line;
					}
				}
				$lines_out[] = $line;
	
				// send the lines to the server
				while(list(,$line_out) = @each($lines_out)) {
					if(strlen($line_out) > 0)
					{
						if(substr($line_out, 0, 1) == ".") {
							$line_out = "." . $line_out;
						}
					}
					fputs($this->smtp_conn,$line_out . $this->CRLF);
				}
			}
	
			// message data has been sent
			fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250) {
				$this->error =
				array("error" => "DATA not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
			return true;
		}
	
		/**
		 * Sends the HELO command to the smtp server.
		 * This makes sure that we and the server are in
		 * the same known state.
		 *
		 * Implements from rfc 821: HELO <SP> <domain> <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250
		 * SMTP CODE ERROR  : 500, 501, 504, 421
		 * @access public
		 * @return bool
		 */
		public function Hello($host = '') {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	            "error" => "Called Hello() without being connected");
				return false;
			}
	
			// if hostname for HELO was not specified send default
			if(empty($host)) {
				// determine appropriate default to send to server
				$host = "localhost";
			}
	
			// Send extended hello first (RFC 2821)
			if(!$this->SendHello("EHLO", $host)) {
				if(!$this->SendHello("HELO", $host)) {
					return false;
				}
			}
	
			return true;
		}
	
		/**
		 * Sends a HELO/EHLO command.
		 * @access private
		 * @return bool
		 */
		private function SendHello($hello, $host) {
			fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER: " . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250) {
				$this->error =
				array("error" => $hello . " not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			$this->helo_rply = $rply;
	
			return true;
		}
	
		/**
		 * Starts a mail transaction from the email address specified in
		 * $from. Returns true if successful or false otherwise. If True
		 * the mail transaction is started and then one or more Recipient
		 * commands may be called followed by a Data command.
		 *
		 * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250
		 * SMTP CODE SUCCESS: 552,451,452
		 * SMTP CODE SUCCESS: 500,501,421
		 * @access public
		 * @return bool
		 */
		public function Mail($from) {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	              "error" => "Called Mail() without being connected");
				return false;
			}
	
			$useVerp = ($this->do_verp ? "XVERP" : "");
			fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250) {
				$this->error =
				array("error" => "MAIL not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
			return true;
		}
	
		/**
		 * Sends the quit command to the server and then closes the socket
		 * if there is no error or the $close_on_error argument is true.
		 *
		 * Implements from rfc 821: QUIT <CRLF>
		 *
		 * SMTP CODE SUCCESS: 221
		 * SMTP CODE ERROR  : 500
		 * @access public
		 * @return bool
		 */
		public function Quit($close_on_error = true) {
			$this->error = null; // so there is no confusion
	
			if(!$this->connected()) {
				$this->error = array(
	              "error" => "Called Quit() without being connected");
				return false;
			}
	
			// send the quit command to the server
			fputs($this->smtp_conn,"quit" . $this->CRLF);
	
			// get any good-bye messages
			$byemsg = $this->get_lines();
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $byemsg . $this->CRLF . '<br />';
			}
	
			$rval = true;
			$e = null;
	
			$code = substr($byemsg,0,3);
			if($code != 221) {
				// use e as a tmp var cause Close will overwrite $this->error
				$e = array("error" => "SMTP server rejected quit command",
	                 "smtp_code" => $code,
	                 "smtp_rply" => substr($byemsg,4));
				$rval = false;
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $e["error"] . ": " . $byemsg . $this->CRLF . '<br />';
				}
			}
	
			if(empty($e) || $close_on_error) {
				$this->Close();
			}
	
			return $rval;
		}
	
		/**
		 * Sends the command RCPT to the SMTP server with the TO: argument of $to.
		 * Returns true if the recipient was accepted false if it was rejected.
		 *
		 * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250,251
		 * SMTP CODE FAILURE: 550,551,552,553,450,451,452
		 * SMTP CODE ERROR  : 500,501,503,421
		 * @access public
		 * @return bool
		 */
		public function Recipient($to) {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	              "error" => "Called Recipient() without being connected");
				return false;
			}
	
			fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250 && $code != 251) {
				$this->error =
				array("error" => "RCPT not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
			return true;
		}
	
		/**
		 * Sends the RSET command to abort and transaction that is
		 * currently in progress. Returns true if successful false
		 * otherwise.
		 *
		 * Implements rfc 821: RSET <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250
		 * SMTP CODE ERROR  : 500,501,504,421
		 * @access public
		 * @return bool
		 */
		public function Reset() {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	              "error" => "Called Reset() without being connected");
				return false;
			}
	
			fputs($this->smtp_conn,"RSET" . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250) {
				$this->error =
				array("error" => "RSET failed",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
	
			return true;
		}
	
		/**
		 * Starts a mail transaction from the email address specified in
		 * $from. Returns true if successful or false otherwise. If True
		 * the mail transaction is started and then one or more Recipient
		 * commands may be called followed by a Data command. This command
		 * will send the message to the users terminal if they are logged
		 * in and send them an email.
		 *
		 * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250
		 * SMTP CODE SUCCESS: 552,451,452
		 * SMTP CODE SUCCESS: 500,501,502,421
		 * @access public
		 * @return bool
		 */
		public function SendAndMail($from) {
			$this->error = null; // so no confusion is caused
	
			if(!$this->connected()) {
				$this->error = array(
	          "error" => "Called SendAndMail() without being connected");
				return false;
			}
	
			fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
	
			$rply = $this->get_lines();
			$code = substr($rply,0,3);
	
			if($this->do_debug >= 2) {
				echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
			}
	
			if($code != 250) {
				$this->error =
				array("error" => "SAML not accepted from server",
	              "smtp_code" => $code,
	              "smtp_msg" => substr($rply,4));
				if($this->do_debug >= 1) {
					echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
				}
				return false;
			}
			return true;
		}
	
		/**
		 * This is an optional command for SMTP that this class does not
		 * support. This method is here to make the RFC821 Definition
		 * complete for this class and __may__ be implimented in the future
		 *
		 * Implements from rfc 821: TURN <CRLF>
		 *
		 * SMTP CODE SUCCESS: 250
		 * SMTP CODE FAILURE: 502
		 * SMTP CODE ERROR  : 500, 503
		 * @access public
		 * @return bool
		 */
		public function Turn() {
			$this->error = array("error" => "This method, TURN, of the SMTP ".
	                                    "is not implemented");
			if($this->do_debug >= 1) {
				echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />';
			}
			return false;
		}
	
		/**
		 * Get the current error
		 * @access public
		 * @return array
		 */
		public function getError() {
			return $this->error;
		}
	
		/////////////////////////////////////////////////
		// INTERNAL FUNCTIONS
		/////////////////////////////////////////////////
	
		/**
		 * Read in as many lines as possible
		 * either before eof or socket timeout occurs on the operation.
		 * With SMTP we can tell if we have more lines to read if the
		 * 4th character is '-' symbol. If it is a space then we don't
		 * need to read anything else.
		 * @access private
		 * @return string
		 */
		private function get_lines() {
			$data = "";
			while($str = @fgets($this->smtp_conn,515)) {
				if($this->do_debug >= 4) {
					echo "SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '<br />';
					echo "SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '<br />';
				}
				$data .= $str;
				if($this->do_debug >= 4) {
					echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '<br />';
				}
				// if 4th character is a space, we are done reading, break the loop
				if(substr($str,3,1) == " ") { break; }
			}
			return $data;
		}
	
	}